Britain called Saturday for consideration of a tax on financial transactions to insure against another crisis and urged world finance officials meeting in Scotland to agree on bearing the cost of fighting climate change.

Tens of thousands of South Korean workers rallied Saturday to protest the government's plan to begin implementing contentious labor laws.

British Prime Minister Gordon Brown has called for serious consideration of a levy on financial activity to help insure the banking system from another crisis.

British Treasury chief Alistair Darling has urged the world's top finance officials to reach an agreement on bearing the cost of fighting climate change before a UN summit on global warming next month.

President Barack Obama is traveling to Capitol Hill on Saturday to try to close the sale on his signature health care overhaul, facing a make-or-break vote in the House certain to be seen as a test of his presidency.